1884 - 1944 (60 år)
 | Dr Arnold Theadore Olson ca 1920-1994 |
| Dr Arnold Theadore Olson | |
| F: | ca 1920 |
| Sioux Rapids, Buena Vista County, Iowa, USA | |
| D: | 28 Aug 1994 |
| New Hampton, Chickasaw County, Iowa, USA | |
|
| Ella Marie Colby 1884-1944 |
| Ella Marie Colby | |
| F: | 24 Feb 1884 |
| Aurelia, Cherokee, Iowa, USA | |
| D: | 25 Nov 1944 |
| Sioux Rapids, Buena Vista County, Iowa, USA | |
 | Alfred Oliver Olsen 1879-1957 |
| Alfred Oliver Olsen | |
| F: | 12 Mar 1879 |
| Vanse, Salen, Vest-Agder | |
| V: | 26 Dec 1917 |
| Buena Vista County, Iowa, USA | |
| D: | 28 Feb 1957 |
| St. Joseph Hospital, New Hampton, Chickasaw County, Iowa, USA | |
